<template>
  <div class="account-box">
    <div class="toggle">
      <a @click="isMsgLogin = false" href="javascript:;" v-if="isMsgLogin">
        <i class="iconfont icon-user"></i> 使用账号登录
      </a>
      <a @click="isMsgLogin = true" href="javascript:;" v-else>
        <i class="iconfont icon-msg"></i> 使用短信登录
      </a>
    </div>
   <Form ref="formCom" class="form" :validation-schema="schema" v-slot="{errors}" autocomplete="off">
      <template v-if="!isMsgLogin">
        <div class="form-item">
          <div class="input">
            <i class="iconfont icon-user"></i>
            <Field :class="{error:errors.account}" v-model="account" name="account" type="text" placeholder="请输入用户名" />
          </div>
          <div class="error" v-if="errors.account">
            <i class="iconfont icon-warning" />
            {{errors.account}}
          </div>
        </div>
        <div class="form-item">
          <div class="input">
            <i class="iconfont icon-lock"></i>
            <Field :class="{error:errors.password}" v-model="password" name="password" type="password" placeholder="请输入密码" />
          </div>
          <div class="error" v-if="errors.password">
            <i class="iconfont icon-warning" />
            {{errors.password}}
          </div>
        </div>
      </template>
      <template v-else>
        <div class="form-item">
          <div class="input">
            <i class="iconfont icon-user"></i>
            <Field :class="{error:errors.mobile}" v-model="mobile" name="mobile" type="text" placeholder="请输入手机号" />
          </div>
          <div class="error" v-if="errors.mobile">
            <i class="iconfont icon-warning" />
            {{errors.mobile}}
          </div>
        </div>
        <div class="form-item">
          <div class="input">
            <i class="iconfont icon-code"></i>
            <Field :class="{error:errors.code}" v-model="code" name="code" type="text" placeholder="请输入验证码" />
            <span @click="send()" class="code">
              {{timer===0?'发送验证码':`${timer}秒后发送`}}
            </span>
          </div>
          <div class="error" v-if="errors.code">
            <i class="iconfont icon-warning" />
            {{errors.code}}
          </div>
        </div>
      </template>
      <div class="form-item">
        <div class="agree">
          <Field as="XtxCheckbox" name="isAgree" v-model="isAgree" />
          <span>我已同意</span>
          <a href="javascript:;">《隐私条款》</a>
          <span>和</span>
          <a href="javascript:;">《服务条款》</a>
        </div>
        <div class="error" v-if="errors.isAgree">
          <i class="iconfont icon-warning" />
          {{errors.isAgree}}
        </div>
      </div>
      <a @click="login()" href="javascript:;" class="btn">登录</a>
    </Form>
    <div class="action">
       <a href="https://graph.qq.com/oauth2.0/authorize?client_id=100556005&response_type=token&scope=all&redirect_uri=http%3A%2F%2Fwww.corho.com%3A8080%2F%23%2Flogin%2Fcallback">
        <img src="https://qzonestyle.gtimg.cn/qzone/vas/opensns/res/img/Connect_logo_7.png" alt="">
      </a>
      <div class="url">
        <a href="javascript:;">忘记密码</a>
        <a href="javascript:;">免费注册</a>
      </div>
    </div>
  </div>
</template>
<script>
import { getCurrentInstance, reactive, ref, toRefs, watch, onMounted } from "vue";
import { Form , Field } from "vee-validate";
import schema from "@/utis/vee-validate-schema";
import {userAccountLogin, userMobileLoginMsg, userMobileLogin} from '@/api/user'
import { useRoute, useRouter } from 'vue-router';
import { useStore } from 'vuex';
import Message from '@/components/library/Message'
import {useIntervalFn} from '@vueuse/core'

export default {
  name: "LoginForm",
  components: { Form, Field },
  setup() {
     const router = useRouter()
     const route = useRoute()
     const store = useStore()

    // form表单DOM
    const formCom = ref(null)
    // 是否短信登录
    const isMsgLogin = ref(false);
    // 表单信息对象
    const form = reactive({
      isAgree: true,
      account: 'xiaotuxian001',
      password: '123456',
      mobile: null,
      code: null,
    });

    // 校验规则
    const Myschema = {
      account: schema.account,
      password: schema.password,
      mobile: schema.mobile,
      code: schema.code,
      isAgree: schema.isAgree,
    };

    // 监听isMsgLogin 重置表单数据
    watch(isMsgLogin, () => {
      // 清除表单
      form.isAgree = true;
      form.account = null;
      form.password = null;
      form.mobile = null;
      form.code = null;

      // 如果是没有销毁Field组件，之前的校验结果是不会清除  例如：v-show切换的
      // Form组件提供了一个 resetForm 函数清除校验结果
      formCom.value.resetForm()
    });

    // 获取当前组件实例  default app===应用实例
    const {proxy} = getCurrentInstance()

    // 表单提交
    const login = async()=>{
         // Form组件提供了一个 validate 函数作为整体表单校验，当是返回的是一个promise
        const vaid = await formCom.value.validate()
        // Message({type:'error', text:'用户名或密码错误'})
        // proxy.$message({text:'用户名或密码错误'})
        if(vaid){
             let res = null;
             try{
              if(isMsgLogin.value){
              // 手机号登录
               // **手机号登录
              // 2.1. 准备一个API做手机号登录
              // 2.2. 调用API函数
              // 2.3. 成功：存储用户信息 + 跳转至来源页或者首页 + 消息提示
              // 2.4. 失败：消息提示
                res = await userMobileLogin(form.mobile, form.code)
              }else{
                // 账号登录
                // **帐号登录
                // 1. 准备一个API做帐号登录
                // 2. 调用API函数
                // 3. 成功：存储用户信息 + 跳转至来源页或者首页 + 消息提示
                // 4. 失败：消息提示
                const {account, password} = form
                res = await userAccountLogin(account, password)    
                }   
                const { id, account:newAccont, avatar, mobile, nickname, token } = res.result
                // 保存用户信息
                store.commit('user/SET_USER',{id, newAccont, avatar, mobile, nickname, token})   
                // 合并购物车数据
                store.dispatch('cart/mergeCartGoods').then(()=>{
                    // 观察query是否有路径参数  有就重定向 没有就到首页
                router.push(route.query.redirectUrl || '/')
                  // 提示成功
                Message({type:'success',text:'登录成功'})  
                })
              
             }catch(e){
               // 登录失败
               if(e.response.data)
               Message({type:'error',text:e.response.data.message||'登录失败'})  
             }
  
        }
    }

    // 发送短信验证码事件
    // pasue 暂停  resume 开启  
    const timer = ref(1) // 默认秒撒
    const {pause, resume} = useIntervalFn(()=>{
      timer.value--
      if(timer.value<=0){
        pause()
      }
    }, 1000, false) //倒计时定时

    const send = async ()=>{
      // 是否正在发送
      if(timer.value!==0) return
      // 校验手机号
      const valid = Myschema.mobile(form.mobile)
      if(valid===true){
        try{
            await userMobileLoginMsg(form.mobile) 
             Message({type:'success', text:'短信验证码发送成功'})
            // 开启60s倒计时
            timer.value = 60
            resume()
        }catch{
            Message({type:'error', text:'手机号未注册'})
        }
      }else{
         // 失败，使用vee的错误函数显示错误信息 setFieldError(字段,错误信息)
        formCom.value.setFieldError('mobile', valid)
      }
    }

    // QQ登录按钮
    onMounted(() => {
        QC.Login({btnId:'appLoginBtn'})
    })

    return { formCom, isMsgLogin, ...toRefs(form), Myschema, login ,schema, send, timer};
  },
};
</script>
<style lang="less" scoped >
// 账号容器
.account-box {
  .toggle {
    padding: 15px 40px;
    text-align: right;
    a {
      color: @xtxColor;
      i {
        font-size: 14px;
      }
    }
  }
  .form {
    padding: 0 40px;
    &-item {
      margin-bottom: 28px;
      .input {
        position: relative;
        height: 36px;
        > i {
          width: 34px;
          height: 34px;
          background: #cfcdcd;
          color: #fff;
          position: absolute;
          left: 1px;
          top: 1px;
          text-align: center;
          line-height: 34px;
          font-size: 18px;
        }
        input {
          padding-left: 44px;
          border: 1px solid #cfcdcd;
          height: 36px;
          line-height: 36px;
          width: 100%;
          &.error {
            border-color: @priceColor;
          }
          &.active,
          &:focus {
            border-color: @xtxColor;
          }
        }
        .code {
          position: absolute;
          right: 1px;
          top: 1px;
          text-align: center;
          line-height: 34px;
          font-size: 14px;
          background: #f5f5f5;
          color: #666;
          width: 90px;
          height: 34px;
          cursor: pointer;
        }
      }
      > .error {
        position: absolute;
        font-size: 12px;
        line-height: 28px;
        color: @priceColor;
        i {
          font-size: 14px;
          margin-right: 2px;
        }
      }
    }
    .agree {
      a {
        color: #069;
      }
    }
    .btn {
      display: block;
      width: 100%;
      height: 40px;
      color: #fff;
      text-align: center;
      line-height: 40px;
      background: @xtxColor;
      &.disabled {
        background: #cfcdcd;
      }
    }
  }
  .action {
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    .url {
      a {
        color: #999;
        margin-left: 10px;
      }
    }
  }
}
</style>